Home / 19,755.18-27,261.74-10,802.58

Finding the Fourth Proportional to 19,755.18, 27,261.74 and 10,802.58

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Solution

The fourth proportional to 19,755.18, 27,261.74 and 10,802.58 is: 14,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.18 : 27,261.74 = 10,802.58 : x
  2. Step 2: Convert to fraction form
    19,755.18/27,261.74 = 10,802.58/x
  3. Step 3: Cross multiply
    19,755.18x = 27,261.74 × 10,802.58
  4. Step 4: Simplify right side
    19,755.18x = 294,497,073.28
  5. Step 5: Solve for x
    x = 294,497,073.28/19,755.18
  6. Step 6: Final answer
    x = 14,907.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.